1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#ifndef TCPSOCKET_H
#define TCPSOCKET_H
#include "base/i2-base.hpp"
#include "base/io-engine.hpp"
#include "base/socket.hpp"
#include <boost/asio/ip/tcp.hpp>
#include <boost/asio/spawn.hpp>
namespace icinga
{
/**
* A TCP socket. DEPRECATED - Use Boost ASIO instead.
*
* @ingroup base
*/
class TcpSocket final : public Socket
{
public:
DECLARE_PTR_TYPEDEFS(TcpSocket);
void Bind(const String& service, int family);
void Bind(const String& node, const String& service, int family);
void Connect(const String& node, const String& service);
};
/**
* TCP Connect based on Boost ASIO.
*
* @ingroup base
*/
template<class Socket>
void Connect(Socket& socket, const String& node, const String& service)
{
using boost::asio::ip::tcp;
tcp::resolver resolver (IoEngine::Get().GetIoContext());
tcp::resolver::query query (node, service);
auto result (resolver.resolve(query));
auto current (result.begin());
for (;;) {
try {
socket.open(current->endpoint().protocol());
socket.set_option(tcp::socket::keep_alive(true));
socket.connect(current->endpoint());
break;
} catch (const std::exception&) {
if (++current == result.end()) {
throw;
}
if (socket.is_open()) {
socket.close();
}
}
}
}
template<class Socket>
void Connect(Socket& socket, const String& node, const String& service, boost::asio::yield_context yc)
{
using boost::asio::ip::tcp;
tcp::resolver resolver (IoEngine::Get().GetIoContext());
tcp::resolver::query query (node, service);
auto result (resolver.async_resolve(query, yc));
auto current (result.begin());
for (;;) {
try {
socket.open(current->endpoint().protocol());
socket.set_option(tcp::socket::keep_alive(true));
socket.async_connect(current->endpoint(), yc);
break;
} catch (const std::exception&) {
if (++current == result.end()) {
throw;
}
if (socket.is_open()) {
socket.close();
}
}
}
}
}
#endif /* TCPSOCKET_H */
|
